1. Personal Watercraft Parts Products
  2. sku: 11115848786820773
  3. RAREELECTRICAL 100-10-20-Z8

RAREELECTRICAL 100-10-20-Z8 Powerhead Rebuild Kit Steel 3.375 2.4L

fits model: Xr-4. make: Mercury.

100-10-20-z8 Rareelectrical Powerhead Rebuild Kit Fits Mercury 6 Cyl 3.375 Steel Bore 2.4l Xr-4 By 100-10-20

( Brand: Rareelectrical ), ( Manufacturer Part Number: 100-10-20-Z8 ), ( Warranty: 1 Year ), ( California Prop 65 Warning: This Product May Expose You To Chemicals Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov ), ( Country Of Origin: Taiwan ), ( Source: Aftermarket )

Review RAREELECTRICAL Powerhead Rebuild Kit Fits Mercury Cyl 3.375 Steel Bore 2.4l By 100-10-20 fits XR-4

The Mercury 100-10-20 Powerhead Rebuild Kit is specifically designed for the Mercury 3.375-inch (89.7mm) x 2.4-liter XR-4 outboard motor. This rebuild kit is made with high-quality 3.375 steel, ensuring durability and reliability for your powerhead.

The kit includes a comprehensive collection of parts necessary for a thorough rebuild of your Mercury powerhead. It comprises essential components such as pistons, piston rings, cylinder liner, cylinder head gasket, valve guide seals, and crankshaft seals, among others. Each part is precision-engineered to fit perfectly and restore your powerhead to its optimal performance.

The pistons are designed with an advanced ring groove design and made from high-strength material that can withstand the rigors of heavy-duty marine applications. The piston rings are made from top-quality material that ensures a good seal and minimizes compression loss.

The cylinder liner, an essential component of the powerhead, is engineered to ensure a perfect fit and minimize wear and tear. The cylinder head gasket is designed to provide an airtight seal between the cylinder head and the engine block, ensuring efficient combustion and optimal power output.

The valve guide seals and crankshaft seals are manufactured to provide a tight seal and prevent the loss of engine oil. These seals are made from materials that can withstand the extreme temperatures and pressures encountered in a marine engine.

In conclusion, the Mercury 100-10-20 Powerhead Rebuild Kit offers a complete solution for restoring your Mercury 3.375-inch x 2.4-liter XR-4 powerhead to its original performance. With high-quality 3.375 steel components and a comprehensive collection of parts, this rebuild kit is an excellent investment for any Mercury outboard motor owner.

Mercury 3.375 Steel 2.4L XR-4 100-10-20 Powerhead Rebuild Kit: Pros, Cons, and Conclusion

The Mercury 3.375 Steel 2.4L XR-4 100-10-20 powerhead rebuild kit is designed for those who own a Mercury outboard engine and wish to rebuild it themselves. In this analysis, we will discuss the advantages and disadvantages of purchasing this kit.

Pros:

1. High-quality materials: The kit includes top-grade 100-10-20 steel parts, ensuring durability and reliability once the engine is rebuilt.

2. Comprehensive: This rebuild kit covers most of the essential components in a Mercury 2.4L XR-4 powerhead, making it a convenient and cost-effective option for engine restoration.

3. Easy installation: The kit contains clearly labeled parts and step-by-step instructions, making the installation process more manageable for DIY enthusiasts.

Cons:

1. Limited coverage: While the kit covers many components, it may not include some parts that require replacement during a rebuild. These additional parts would need to be purchased separately.

2. Skill level: The rebuild process can be complex and time-consuming, requiring a solid understanding of engine mechanics and the appropriate tools.

3. Cost: The price of the kit may be higher than the cost of having a professional service the engine, depending on the specific circumstances.

Conclusion:

The Mercury 3.375 Steel 2.4L XR-4 100-10-20 powerhead rebuild kit offers a cost-effective and comprehensive solution for DIY enthusiasts aiming to restore their Mercury outboard engine. However, it requires a significant investment of time and skill. If you possess the necessary knowledge and tools, this kit can be an excellent choice. Alternatively, if you are uncertain about your abilities or prefer to save time, it may be more convenient to have a professional handle the rebuild.

Recommendation:

For those with a solid understanding of engine mechanics and the necessary tools, the Mercury 3.375 Steel 2.4L XR-4 100-10-20 powerhead rebuild kit is a suitable option for restoring their Mercury outboard engine. However, those who are unsure of their abilities or prefer to save time should consider having a professional handle the rebuild.

Details:

POWERHEAD REBUILD KIT, SPECIFICATIONS: BORE DIAMETER: 3.375, DISPLACEMENT: 2.4L, OVERSIZE: STANDARD, REPLACES: OEM: MARINER, MERCURY, Product Notice. Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but designed to function same as - if better than. As a parts distributor we mostly sell aftermarket any OEM would be noted as such. Powerhead Rebuild Kit Fits Mercury 6 Cyl 3.375 Steel Bore 2.4L XR-4 By 100-10-20: Replaces Part Numbers Specifications.

All parts sold are new.

part #: 1001020z8 price

  • $987.94

specifications perwatercraft:

  • for models: Xr-4
  • for makes: Mercury
  • brand: Rareelectrical
  • mpn: 100-10-20-z8
  • warranty: 1 Year
  • california prop 65 warning: This Product May Expose You To Chemicals Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov
  • country of origin: Taiwan
  • source: Aftermarket

returns perwatercraft:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

payments perwatercraft:

  • wallet: Apple-pay
  • credit card: Visa
  • other

offer perwatercraft:

  • options: Ship-to-home
  • quantity: 6
  • sold: 0
  • availability: In Stock
  • started: March 12, 2026

shipping perwatercraft:

  • class: Economy, Standard, Expedited, One-day
  • service: Economy, Standard, Expedited, Overnight
  • cost: $0.00
  • transit: 4-7 Days
  • type: Fixed

general perwatercraft:

  • Parts Accessories > Personal Watercraft Parts > Other Parts
  • condition: New

seller perwatercraft:

  • city: Atlanta, Georgia
  • rating: 99.1%
  • # reviews: 121471
for models: xr-4, for makes: mercury, warranty: 1 year, california prop 65 warning: this product may expose you to chemicals which are known to the state of california to cause cancer and birth defects or other reproductive harm. for more information go to www.p65warnings.ca.gov, country of origin: taiwan, source: aftermarket,
category: watercraft parts > parts, sku: 11115848786820773,

Rareelectrical 100-10-20-Z8 Is Similar To:

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1 offer $987.94 USD
  • Offer #1: $987.94 price + $0.00 shipping estimate = $987.94* total. - Standard Bore: 3.375" (85.73mm). 6 Cyl 3.375 Steel Bore 2.4L XR-4 150 HP (1990-1992).FREE SHIPPING

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